Q: I'm an urban rental dweller in West Portland, and the soil in my yard appears to be of very poor quality and I can't afford to purchase fertilizer to improve it. My yeard is full of dandelions and weeds currently. After...
Lorin Grigg grows onions and sweet corn under sprinkler irrigation in Quincy, Washington. In this publication, Grigg discusses his strategy for cover cropping to protect seedlings from windblown sand and reduce wind erosion.
This guide describes how to obtain a representative sample of stockpiled dairy manure or dairy compost, select a reliable manure or compost testing laboratory, determine which lab analyses are needed (including total...
Amber Moore, Mario de Haro-Marti, Lide Chen |
Jul 2015 |
Extension Catalog publicationPeer reviewed (Orange level)
Designed to help dairy owners determine manure application rates and forage consumption. Describes how to: (1) estimate manure generated by animals and the confinement facility; (2) measure grass consumed by animals ...
This publication provides recording keeping sheets and examples for manure applications on dairy farms. Examples are provided for a number of different manure handling systems.
This publication describes how to calibrate waste-handling equipment and calculate nutrient application rates. It covers calibration of typical equipment found on dairies, such as stationary guns, traveling guns, liquid ...
If planted in a suitable habitat, native plants are well adapted to Central Oregon soils and climate. When grown in the right conditions, native plants experience less environmental, insect, and disease damage than nonnative plants.
Describes how to identify signs of nutrient deficiency in shade and ornamental trees. Discusses the most common soil nutrient deficiencies, types of fertilizer, and fertilization techniques. Offers a simple method, ...
Discusses results of on-farm research conducted in the Willamette Valley from 1996 to 2001 to compare strip tillage with conventional tillage systems. More than 30 large-scale field trials were conducted on a ...